or æ

a digraph or ligature appearing in Latin and Latinized Greek words. In English words of Latin or Greek origin, ae is now usually represented by e, except generally in proper names (Caesar), in words belonging to Roman or Greek antiquities (aegis), and in modern words of scientific or technical use (aecium).

Definition for ae (2 of 11)


[ ey ]
/ eɪ /

adjective Scot.

Origin of ae

Middle English (Scots) ā-, Old English ān one; cf. a1

Definition for ae (3 of 11)


the ash, an early English ligature representing a vowel sound like that of a in modern bad. The long ǣ continued in use until about 1250, but was finally replaced by e. The short æ was given up by 1150, being replaced usually by a but sometimes by e.

Definition for ae (4 of 11)


account executive.
American English.

Definition for ae (5 of 11)


or AE, A.E.

pen name of George William Russell.

Definition for ae (6 of 11)



Arts and Entertainment: a cable television channel.

Definition for ae (7 of 11)


at the age of; aged.

Origin of ae.

From the Latin word aetātis

Definition for ae (8 of 11)


for words with initial ae-, see also e-.

Definition for ae (9 of 11)


Mathematics. almost everywhere.

Definition for ae (10 of 11)


Agricultural Engineer.
Associate in Education.
Associate in Engineering.

Definition for ae (11 of 11)


[ ruhs-uh l ]
/ ˈrʌs əl /

noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for ae

British Dictionary definitions for ae (1 of 6)



/ (e) /


Scot one; a single

Word Origin for ae

from Old English ān

British Dictionary definitions for ae (2 of 6)



the internet domain name for

United Arab Emirates

British Dictionary definitions for ae (3 of 6)



a digraph in Latin representing either a native diphthong, as in æquus, or a Greek αι (ai) in Latinized spellings, as in æschylus : now usually written ae, or e in some words, such as demon
a ligature used in Old and early Middle English to represent the vowel sound of a in cat
a ligature used in modern phonetic transcription also representing the vowel sound a in cat

British Dictionary definitions for ae (4 of 6)


abbreviation for


Word Origin for ae.

Latin: at the age of; aged

British Dictionary definitions for ae (5 of 6)




the pen name of (George William) Russell

British Dictionary definitions for ae (6 of 6)


/ (ˈrʌsəl) /


Bertrand (Arthur William), 3rd Earl. 1872–1970, British philosopher and mathematician. His books include Principles of Mathematics (1903), Principia Mathematica (1910–13) with A. N. Whitehead, Introduction to Mathematical Philosophy (1919), The Problems of Philosophy (1912), The Analysis of Mind (1921), and An Enquiry into Meaning and Truth (1940): Nobel prize for literature 1950
George William pen name æ . 1867–1935, Irish poet and journalist
Henry Norris . 1877–1957, US astronomer and astrophysicist, who originated one form of the Hertzsprung–Russell diagram
John, 1st Earl. 1792–1878, British statesman; prime minister (1846–52; 1865–66). He led the campaign to carry the 1832 Reform Act
Ken . 1927–2011, British film director. His films include Women in Love (1969), The Music Lovers (1970), The Boy Friend (1971), Valentino (1977), Gothic (1986), and The Rainbow (1989)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for ae


For words beginning with ae- that are not found here, see under e-.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for ae


[ rŭsəl ]
Henry Norris 1877-1957

American astronomer who studied binary stars and developed methods to calculate their mass and distances. Working independently of Ejnar Hertzsprung, Russell also demonstrated the relationship between types of stars and their absolute magnitude. This correlation is now known as the Hertzsprung-Russell diagram.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.